129 lines
3.9 KiB
PHP
129 lines
3.9 KiB
PHP
<?php
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namespace App\Services\Banking;
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use App\Models\Account;
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use Illuminate\Support\Facades\Log;
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class BitpandaBalanceSyncService
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{
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/**
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* Sync the total portfolio value for a Bitpanda account.
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* Uses Bitpanda's own ticker prices to match the values shown in the Bitpanda dashboard.
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*/
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public function sync(Account $account, BitpandaClient $client): void
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{
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if (! $account->external_account_id) {
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return;
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}
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$this->syncCurrentBalance($account, $client);
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}
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/**
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* Sync today's balance by fetching all wallets and converting to target currency
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* using Bitpanda's own ticker prices.
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*/
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public function syncCurrentBalance(Account $account, BitpandaClient $client): void
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{
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$targetCurrency = strtoupper($account->currency_code);
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$ticker = $client->getTickerPrices();
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$totalValue = 0.0;
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$totalValue += $this->sumCryptoWallets($client, $ticker, $targetCurrency);
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$totalValue += $this->sumFiatWallets($client, $targetCurrency);
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$totalValueCents = (int) round($totalValue * 100);
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$account->balances()->updateOrCreate(
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['balance_date' => now()->toDateString()],
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['balance' => $totalValueCents],
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);
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}
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/**
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* Sum all crypto wallet balances using Bitpanda's ticker prices.
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*
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* @param array<string, array<string, string>> $ticker
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*/
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private function sumCryptoWallets(BitpandaClient $client, array $ticker, string $targetCurrency): float
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{
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$wallets = $client->getCryptoWallets();
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$total = 0.0;
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foreach ($wallets['data'] ?? [] as $wallet) {
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$attributes = $wallet['attributes'] ?? [];
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$balance = (float) ($attributes['balance'] ?? 0);
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$symbol = $attributes['cryptocoin_symbol'] ?? null;
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$deleted = $attributes['deleted'] ?? false;
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if ($balance <= 0 || ! $symbol || $deleted) {
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continue;
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}
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$price = $this->getTickerPrice($ticker, $symbol, $targetCurrency);
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if ($price === null) {
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Log::warning('Bitpanda ticker price not found for asset', [
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'asset' => $symbol,
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'target_currency' => $targetCurrency,
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]);
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continue;
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}
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$total += $balance * $price;
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}
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return $total;
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}
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/**
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* Sum all fiat wallet balances, using ticker to convert if needed.
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*/
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private function sumFiatWallets(BitpandaClient $client, string $targetCurrency): float
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{
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$wallets = $client->getFiatWallets();
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$total = 0.0;
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foreach ($wallets['data'] ?? [] as $wallet) {
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$attributes = $wallet['attributes'] ?? [];
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$balance = (float) ($attributes['balance'] ?? 0);
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$symbol = strtoupper($attributes['fiat_symbol'] ?? '');
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if ($balance <= 0 || ! $symbol) {
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continue;
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}
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if ($symbol === $targetCurrency) {
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$total += $balance;
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} else {
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// Fiat-to-fiat conversion is rare on Bitpanda; use simple rate if available
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Log::warning('Bitpanda fiat wallet in different currency than target', [
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'fiat_symbol' => $symbol,
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'target_currency' => $targetCurrency,
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'balance' => $balance,
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]);
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}
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}
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return $total;
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}
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/**
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* Get the ticker price for an asset in the target currency.
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*
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* @param array<string, array<string, string>> $ticker
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*/
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private function getTickerPrice(array $ticker, string $symbol, string $targetCurrency): ?float
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{
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$price = $ticker[$symbol][$targetCurrency] ?? null;
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if ($price === null) {
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return null;
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}
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return (float) $price;
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}
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}
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